<?php
/* $Id$ */
/*
	interfaces_bridge_edit.php

	Copyright (C) 2008 Ermal Lu�i
	All rights reserved.

	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions are met:

	1. Redistributions of source code must retain the above copyright notice,
	   this list of conditions and the following disclaimer.

	2. Redistributions in binary form must reproduce the above copyright
	   notice, this list of conditions and the following disclaimer in the
	   documentation and/or other materials provided with the distribution.

	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	POSSIBILITY OF SUCH DAMAGE.
*/

require("guiconfig.inc");

if (!is_array($config['bridges']['bridged']))
	$config['bridges']['bridged'] = array();

$a_bridges = &$config['bridges']['bridged'];

$ifacelist = get_configured_interface_with_descr();

$id = $_GET['id'];
if (isset($_POST['id']))
	$id = $_POST['id'];

if (isset($id) && $a_bridges[$id]) {
	$pconfig['enablestp'] = isset($a_bridges[$id]['enablestp']);
	$pconfig['descr'] = $a_bridges[$id]['descr'];
	$pconfig['bridgeif'] = $a_bridges[$id]['bridgeif'];
	$pconfig['members'] = $a_bridges[$id]['members'];
	$pconfig['network'] = $a_bridges[$id]['network'];
	$pconfig['maxaddr'] = $a_bridges[$id]['maxaddr'];
	$pconfig['timeout'] = $a_bridges[$id]['timeout'];
	if ($a_bridges[$id]['static'])
		$pconfig['static'] = $a_bridges[$id]['static'];
	if ($a_bridges[$id]['private'])
		$pconfig['private'] = $a_bridges[$id]['private'];
	if (isset($a_bridges[$id]['stp']))
		$pconfig['stp'] = $a_bridges[$id]['stp'];
	$pconfig['maxage'] = $a_bridges[$id]['maxage'];
	$pconfig['fwdelay'] = $a_bridges[$id]['fwdelay'];
	$pconfig['hellotime'] = $a_bridges[$id]['hellotime'];
	$pconfig['priority'] = $a_bridges[$id]['priority'];
	$pconfig['proto'] = $a_bridges[$id]['proto'];
	$pconfig['holdcount'] = $a_bridges[$id]['holdcount'];
	$pconfig['ifpriority'] = explode(",", $a_bridges[$id]['ifpriority']);
	$ifpriority = array();
	foreach ($pconfig['ifpriority'] as $cfg) {
		$embcfg = explode(":", $cfg);
		foreach ($embcfg as $key => $value)
			$ifpriority[$key] = $value;
	}
	$pconfig['ifpriority'] = $ifpriority;
	$pconfig['ifpathcost'] = explode(",", $a_bridges[$id]['ifpathcost']);
	$ifpathcost = array();
	foreach ($pconfig['ifpathcost'] as $cfg) {
		$embcfg = explode(":", $cfg);
		foreach ($embcfg as $key => $value)
			$ifpathcost[$key] = $value;
	}
	$pconfig['ifpathcost'] = $ifpathcost;
	$pconfig['span'] = $a_bridges[$id]['span'];
	if (isset($a_bridges[$id]['edge']))
		$pconfig['edge'] = $a_bridges[$id]['edge'];
	if (isset($a_bridges[$id]['autoedge']))
		$pconfig['autoedge'] = $a_bridges[$id]['autoedge'];
	if (isset($a_bridges[$id]['ptp']))
		$pconfig['ptp'] = $a_bridges[$id]['ptp'];
	if (isset($a_bridges[$id]['autoptp']))
		$pconfig['autoptp'] = $a_bridges[$id]['autoptp'];
}

if ($_POST) {

	unset($input_errors);
	$pconfig = $_POST;

	/* input validation */
	$reqdfields = explode(" ", "members");
	$reqdfieldsn = explode(",", "成员接口");

	do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);

	if ($_POST['maxage'] && !is_numeric($_POST['maxage']))
		$input_errors[] = "Maxage needs to be an interger between 6 and 40.";
	if ($_POST['maxaddr'] && !is_numeric($_POST['maxaddr']))
		$input_errors[] = "Maxaddr needs to be an interger.";
	if ($_POST['timeout'] && !is_numeric($_POST['timeout']))
		$input_errors[] = "Timeout needs to be an interger.";
	if ($_POST['fwdelay'] && !is_numeric($_POST['fwdelay']))
		$input_errors[] = "Forward Delay needs to be an interger between 4 and 30.";
	if ($_POST['hellotime'] && !is_numeric($_POST['hellotime']))
		$input_errors[] = "Hello time for STP needs to be an interger between 1 and 2.";
	if ($_POST['priority'] && !is_numeric($_POST['priority']))
		$input_errors[] = "Priority for STP needs to be an interger between 0 and 61440.";
	if ($_POST['holdcnt'] && !is_numeric($_POST['holdcnt']))
		$input_errors[] = "Transmit Hold Count for STP needs to be an interger between 1 and 10.";
	foreach ($ifacelist as $ifn => $ifdescr) {
		if ($_POST[$ifn] <> "" && !is_numeric($_POST[$ifn]))
			$input_errors[] = "{$ifdescr} interface priority for STP needs to be an interger between 0 and 240.";
	}
	$i = 0;
	foreach ($ifacelist as $ifn => $ifdescr) {
		if ($_POST["{$ifn}{$i}"] <> "" && !is_numeric($_POST["{$ifn}{$i}"]))
			$input_errors[] = "{$ifdescr} interface path cost for STP needs to be an interger between 1 and 200000000.";
		$i++;
	}

	if (!is_array($_POST['members']) || count($_POST['members']) < 2)
		$input_errors[] = "您至少需要选择两个接口作为桥。";
		
	if(!empty($_POST['network']) && !is_subnet($_POST['network']))
	    $input_errors[] = "您输入CIDR格式的网段。";

	if (is_array($_POST['members'])) {
		foreach($_POST['members'] as $ifmembers) {
			if (is_array($config['interfaces'][$ifmembers]['wireless']) &&
				$config['interfaces'][$ifmembers]['wireless']['mode'] != "hostap")
				$input_errors[] = "Bridging a wireless interface is only possible in hostap mode.";
			if ($_POST['span'] != "none" && $_POST['span'] == $ifmembers)
				$input_errors[] = "Span interface cannot be part of the bridge. Remove the span interface from bridge members to continue.";
		}
	}

	if (!$input_errors) {
		$bridge = array();
		$bridge['members'] = implode(',', $_POST['members']);
		$bridge['network'] = $_POST['network'];
		$bridge['enablestp'] = isset($_POST['enablestp']);
		$bridge['descr'] = $_POST['descr'];
		$bridge['maxaddr'] = $_POST['maxaddr'];
		$bridge['timeout'] = $_POST['timeout'];
		if ($_POST['static'])
			$bridge['static'] = implode(',', $_POST['static']);
		if ($_POST['private'])
			$bridge['private'] = implode(',', $_POST['private']);
		if (isset($_POST['stp']))
			$bridge['stp'] = implode(',', $_POST['stp']);
		$bridge['maxage'] = $_POST['maxage'];
		$bridge['fwdelay'] = $_POST['fwdelay'];
		$bridge['hellotime'] = $_POST['hellotime'];
		$bridge['priority'] = $_POST['priority'];
		$bridge['proto'] = $_POST['proto'];
		$bridge['holdcount'] = $_POST['holdcount'];
		$i = 0;
		$ifpriority = "";
		$ifpathcost = "";
		foreach ($ifacelist as $ifn => $ifdescr) {
			if ($_POST[$ifn] <> "") {
				if ($i > 0)
					$ifpriority .= ",";
				$ifpriority .= $ifn.":".$_POST[$ifn];
			}
			if ($_POST["{$ifn}{$i}"] <> "") {
				if ($i > 0)
					$ifpathcost .= ",";
				$ifpathcost .= $ifn.":".$_POST[$ifn];
			}
			$i++;
			
		}
		$bridge['ifpriority'] = $ifpriority;
		$bridge['ifpathcost'] = $ifpathcost;
		if ($_POST['span'] != "none")
			$bridge['span'] = $_POST['span'];
		else 
			unset($bridge['span']);
		if (isset($_POST['edge']))
			$bridge['edge'] = implode(',', $_POST['edge']);
		if (isset($_POST['autoedge']))
			$bridge['autoedge'] = implode(',', $_POST['autoedge']);
		if (isset($_POST['ptp']))
			$bridge['ptp'] = implode(',', $_POST['ptp']);
		if (isset($_POST['autoptp']))
			$bridge['autoptp'] = implode(',', $_POST['autoptp']);

		$bridge['bridgeif'] = $_POST['bridgeif'];
                $bridge['bridgeif'] = interface_bridge_configure($bridge);
                if ($bridge['bridgeif'] == "" || !stristr($bridge['bridgeif'], "bridge"))
                        $input_errors[] = "创建接口错误，请重试。";
                else {
                        if (isset($id) && $a_bridges[$id])
                                $a_bridges[$id] = $bridge;
                        else
                                $a_bridges[] = $bridge;

                        
                        foreach($_POST['members'] as $if)
                        {
                        	foreach($config['dhcpd'] as $key => $value)
                        	{
                        		if($key == $if)
                        		{
                        			unset($config['dhcpd'][$if]['enable']);
                        		}
                        	}
                        }
                        services_dhcpd_configure();
                        services_pmacctd_configure();
                        dummynet_configure();
                                                
                        write_config();
                        
			$confif = convert_real_interface_to_friendly_interface_name($bridge['bridgeif']);
                        if ($confif <> "")
                                interface_configure($confif);


			header("Location: interfaces_bridge.php");
			exit;
		}
	}
}

$pgtitle = array("网络设置","桥模式","编辑");
$pgmenu = array('network', '/interfaces_bridge.php');
include("head.inc");

?>

<body link="#0000CC" vlink="#0000CC" alink="#0000CC">

<?php include("fbegin.inc"); ?>
<?php if ($input_errors) print_input_errors($input_errors); ?>
            <form action="interfaces_bridge_edit.php" method="post" name="iform" id="iform">
              <table width="100%" border="0" cellpadding="6" cellspacing="0">
				<tr>
					<td colspan="2" valign="top" class="listtopic">桥设置</td>
				</tr>
				<tr>
                  <td width="22%" valign="top" class="vncellreq">成员接口</td>
                  <td width="78%" class="vtable">
				  <select name="members[]" multiple="true" class="formselect" size="3">
                      <?php
					  	foreach ($ifacelist as $ifn => $ifinfo) {
							echo "<option value=\"{$ifn}\"";
							if (stristr($pconfig['members'], $ifn))
								echo "selected";
							echo ">{$ifinfo}</option>";
						}
		      		?>
                    </select>
			<br/>
			<span class="vexpl">组成桥的成员接口。</span>
			</td>
            </tr>
            <tr>
                  <td width="22%" valign="top" class="vncellreq">局域网网段</td>
                  <td width="78%" class="vtable">
                  <input type="text" name="network" id="network" class="formfld unknown" size="50" value="<?=$pconfig['network'];?>">
                    <br>
                    桥模式下输入局域网网段才能使流量统计，流量限制等功能。
                    </td>
                </tr>            
			<tr>
                  <td width="22%" valign="top" class="vncellreq">描述</td>
                  <td width="78%" class="vtable">
				  <input type="text" name="descr" id="descr" class="formfld unknown" size="50" value="<?=$pconfig['descr'];?>">
				 	</td>
				</tr>
                <tr>
                  <td width="22%" valign="top">&nbsp;</td>
                  <td width="78%">
		    <input type="hidden" name="bridgeif" value="<?=$pconfig['bridgeif']; ?>">
                    <input name="Submit" type="submit" class="formbtn" value="保存"> <input type="button" value="取消" onclick="history.back()">
                    <?php if (isset($id) && $a_bridges[$id]): ?>
                    <input name="id" type="hidden" value="<?=$id;?>">
                    <?php endif; ?>
                  </td>
                </tr>
              </table>
</form>
<?php include("fend.inc"); ?>
</body>
</html>
